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  See more parts for Mitsubishi Eclipse
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ACL Mitsubishi 1597-1997CC 1.50mm Oversized Rod Bearing Set for Eclipse, Galant, Starion - 4B1146-1.50
ACL Mitsubishi 1597-1997CC 1.50mm Oversized Rod Bearing Set for Eclipse, Galant, Starion - 4B1146-1.50 - Image 2 ACL Mitsubishi 1597-1997CC 1.50mm Oversized Rod Bearing Set for Eclipse, Galant, Starion - 4B1146-1.50 - Image 2

ACL 4B1146-1.50 Oversized Rod Bearing Set

The ACL 4B1146-1.50 is a premium oversized rod bearing set designed specifically for high-performance applications in Mitsubishi engines. This set features a tri-metal construction that combines advanced metallurgy with precise engineering, making it an ideal choice for those looking to enhance the durability and reliability of their engine under demanding conditions.

Key Features

  • High-strength overlay plate with reduced thickness improves fatigue resistance, ensuring longevity during high RPM usage.
  • Hardened steel backs on all rod bearings enhance support for the bearing lining, promoting better retention within the housing.
  • Increased crush design improves bearing retention, allowing for consistent performance under load.
  • Eliminates flash plating on the back of the bearings, enhancing heat transfer and maximizing grip between the bearing and housing.
  • Increased eccentricity compensates for bore distortion at high RPM, facilitating the formation of hydrodynamic oil films for optimal lubrication.
  • 3/4 grooved main bearings optimize load-carrying surface area and ensure efficient oil flow to the connecting rod bearings.
  • Tight wall tolerances maintain consistent clearances, crucial for performance applications.
  • Enlarged ID chamfers accommodate large fillet radii on performance crankshafts, improving fit and reducing wear.

Specifications

  • Size: 1.50mm Oversized
  • Oil Clearance: Standard
  • Half Type: Identical Halves
  • Material: Tri-metal with Hardened Steel Backs
  • Min Standard Shaft Size: 2.2433 in / 56.980 mm
  • Max Standard Shaft Size: 2.2441 in / 57.000 mm
  • Min Standard Tunnel Size: 2.4016 in / 61.000 mm
  • Max Standard Tunnel Size: 2.4024 in / 61.021 mm
  • Max Wall at Crown: 0.0783 in / 1.990 mm
  • Max Overall Length: 0.906 in / 23.00 mm

Fitment

This rod bearing set is compatible with the following Mitsubishi models:

  • Mitsubishi Eclipse (1990-2011)
  • Mitsubishi Galant (1994-2012)
  • Mitsubishi Starion (1983-1989)

Upgrade your engine's internals with the ACL 4B1146-1.50 oversized rod bearing set for enhanced performance and reliability in your Mitsubishi application.

Other Part Numbers:
ACL #acl4B1146-1.50

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1990-2011
 Mitsubishi Eclipse
1994-2012
 Mitsubishi Galant
1983-1989
 Mitsubishi Starion

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Who is ACL?

ACL is a company that specializes in manufacturing and distributing high-quality engine bearings that have played a key role in the Australian automotive parts market. 

Based in Launceston, Tasmania, Australia, the company has been in the business for more than 70 years and has become the leading brand when it comes to its market segment.

Throughout the years, ACL has consistently provided top quality products and has become the equipment supplier of multiple Automotive brands such as Lancia, Mazda, Mini, Mitsubishi, Nissan, Peugeot, Subaru, Toyota, Volvo, Suzuki, Renault, SAAB, and more.  ACL also provides a replacement product range used by the aftermarket industry.

The company ensures that it maintains its high level of standard by employing manufacturing processes that are ISO certified. They also use the industry’s most advanced tooling equipment and designing software that allows them to create products that are superior in quality. ACL has been known worldwide to create bearings that are durable, innovative, and precise.

ACL also offers bearing used for high-performance applications. The company has been involved in motorsport racing since the 1960s and has manufactured bearings used in Brabham Formula 1. Today, their products are being used in different racing disciplines such as the Australian Supercar Championship, Drag racing, Driftings, and Rally.

Purchase ACL Bearings at Vivid Racing

Engine Bearings are a critical component of a vehicle and should not be overlooked. If you want to make sure that what you get is something you could rely on, then ACL is the brand for you. With over 200 engine applications, whether it’s an American, Australian, European, or Asian made vehicle, ACL got you covered. Visit Vivid Racing and check out their list of bearings that would fit your specific needs.

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